Home / 74,886.21-103,334.49-43,065.36

Finding the Fourth Proportional to 74,886.21, 103,334.49 and 43,065.36

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Solution

The fourth proportional to 74,886.21, 103,334.49 and 43,065.36 is: 59,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.21 : 103,334.49 = 43,065.36 : x
  2. Step 2: Convert to fraction form
    74,886.21/103,334.49 = 43,065.36/x
  3. Step 3: Cross multiply
    74,886.21x = 103,334.49 × 43,065.36
  4. Step 4: Simplify right side
    74,886.21x = 4,450,137,012.27
  5. Step 5: Solve for x
    x = 4,450,137,012.27/74,886.21
  6. Step 6: Final answer
    x = 59,425.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.